Middle System Administrator

2 weeks ago


Belgrade, Central Serbia Citrus Systems Full time €30,000 - €60,000 per year

Hello there, thanks for paying attention to our vacancy and let us introduce ourselves. We are an IT company occupying a remarkable place in the marketing, gaming, and financial segments of the iGaming industry. Our products are successfully implemented in European, African, and Latin American markets.

Ever since we first started, we have been driven to find the best solutions in everything we do. At the same time, we have been creating strong connections all over the world which have helped us establish our presence in the industry.

We strive for fun, elegance, and efficiency in everything we do. You can feel this in our relaxed, homelike working environment. We offer employment and seek to hire only the brightest, most driven, and most gifted minds around.

Currently, we are looking for an ambitious Middle System Administrator to join our team for full-time employment in our beautiful office in New Belgrade.

Here are a few reasons to join us:

  • competitive salary and constant encouragement for your efforts and contribution (annual salary review);
  • rapid growth (junior to CEO is a familiar journey for our company. We value business results and individuals eager to raise the bar. As an employer we provide supportive space to pursue your ideas);
  • we are taking care of the overall well-being of our people by providing private health insurance and Fit Pass for all;
  • work-life balance (every second-week Power-Up Friday with 4 hours of working time, 25 working days of paid vacation, flexible schedule);
  • modern and comfy office (easy-to-get office in new business center with a spectacular view, free fruits, and snacks in the office, playroom with billiard, tennis table, and PlayStation);
  • we like to celebrate special days and have fun at our corporate events, and team-building activities, and we have special vouchers for our people's birthdays so you can enjoy your special day.

As a Middle System Administrator at our company, we expect you to be responsible for:

  • All Internet access and Network infrastructure at the office will be part of your responsibilities
  • Setting up laptops, instructing new employees with security training and requirements from our list
  • Troubleshooting workstations, printers, end-user hardware, email, and a whole host of other technical issues as they arise, carrying out routine tasks to support our infrastructure.
  • Asset management and the purchase of software, hardware, and IT systems
  • Configure and maintain Company phone systems and mobile phone support
  • Upgrading and installing software for end-users on both Windows, Linux, and Mac desktop operating systems
  • Installation/configuration/diagnosis and maintenance of the system's hardware-related infrastructure that supports the entire business
  • Supporting Remote users and their technical needs
  • Network hardware setup (OpenWRT, Ubiquiti, Cisco Meraki)
  • Solving problems with 3-rd party services (online telephony, hosting, mailing services, billing)
  • Configuring web servers, deploying sites, working with hosting providers
  • Implementation of new application solutions, including technical support
  • Create and maintain system administration procedures and technical documentation
  • Automation of routine tasks
  • Ability to be in touch 24/7 remotely, and be ready to solve problems in some rare emergency cases (there is a team who is rotating for urgent cases, so it will not be only the responsibility of colleagues in this position)

Required skills:

  • High level of ability to write and speak in English
  • Advanced knowledge in the area of OS Linux and Windows Services, Active Directory, experience in server administration of both OS, experience in diagnosing and solving problems (disk and network problems, rights and hardware issues)
  • Good knowledge of administering Microsoft AD/Entra ID
  • Practical network installation experience, ability to choose equipment according to needs
  • Knowledge of routing principles and protocols in networks, VLANs, and firewall configuring
  • Knowledge of Linux basic networking utilities - ping, telnet, netstat, tcpdump, ifconfig, ip
  • The ability to configure the VPN servers and clients (OpenVPN/IPsec)
  • The ability to configure DHCP, DNS, SFTP, HTTP, proxy server
  • At least 2 years of experience in system administration
  • A proactive approach to work and bringing bright ideas
  • Ability and willingness to learn new technologies adapt quickly to a dynamic environment, stress tolerance, and ability to meet deadlines
  • Ability to work in a multicultural environment
  • Self-organization, constructive problems solution
  • Flexibility in approach and tools for solving problems
  • Ability to be patient and polite with people who ask you for help

The following would be a plus:

  • Having a certificate from the above fields will be considered a plus (e.g. CCNA, AZ-800, or similar)
  • Experience in network planning
  • Good knowledge in administering Microsoft365
  • Ansible, Docker, Microsoft 365, Microsoft Azure, Entra ID, and AWS
  • Python/Perl/Bash - ability to write simple scripts to automate tasks, parse logs, apply regexp
  • Nginx (LEMP stack) - server configuration, understanding how locations are handled, reverse-proxy

From our part, we are ready to provide you with our full and comprehensive support in order to successfully cope with this list of tasks. Our System Administration Department is waiting for you to become an indispensable part of it and to strengthen us with your personality.



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